Merge pull request 'Sound Monitor' (#83) from dev-1.0-sound-monitor-fixes into develop-1.0

Reviewed-on: #83

aircox/admin/sound.py

@@ -70,12 +70,12 @@ class SoundAdmin(SortableAdminBase, admin.ModelAdmin):
                 if obj.type != Sound.TYPE_REMOVED else ''
     audio.short_description = _('Audio')
 
-    def add_view(self, request, object_id, form_url='', context=None):
+    def add_view(self, request, form_url='', context=None):
         context = context or {}
         context['init_app'] = True
         context['init_el'] = '#inline-tracks'
         context['track_timestamp'] = True
-        return super().change_view(request, object_id, form_url, context)
+        return super().add_view(request, form_url, context)
 
     def change_view(self, request, object_id, form_url='', context=None):
         context = context or {}

aircox/management/commands/sounds_monitor.py

@@ -111,8 +111,12 @@ class Command(BaseCommand):
     def monitor(self):
         """ Run in monitor mode """
         with futures.ThreadPoolExecutor() as pool:
-            archives_handler = MonitorHandler(settings.AIRCOX_SOUND_ARCHIVES_SUBDIR, pool)
-            excerpts_handler = MonitorHandler(settings.AIRCOX_SOUND_EXCERPTS_SUBDIR, pool)
+            archives_handler = MonitorHandler(
+                settings.AIRCOX_SOUND_ARCHIVES_SUBDIR, pool,
+                type=Sound.TYPE_ARCHIVE)
+            excerpts_handler = MonitorHandler(
+                settings.AIRCOX_SOUND_EXCERPTS_SUBDIR, pool,
+                type=Sound.TYPE_EXCERPT)
 
             observer = Observer()
             observer.schedule(archives_handler, settings.AIRCOX_PROGRAMS_DIR_ABS,

aircox/management/sound_file.py

@@ -61,12 +61,13 @@ class SoundFile:
     def episode(self):
         return self.sound and self.sound.episode
 
-    def sync(self, sound=None, program=None, deleted=False, **kwargs):
+    def sync(self, sound=None, program=None, deleted=False, keep_deleted=False,
+             **kwargs):
         """
         Update related sound model and save it.
         """
         if deleted:
-            return self._on_delete(self.path)
+            return self._on_delete(self.path, keep_deleted)
 
         # FIXME: sound.program as not null
         if not program:
@@ -99,14 +100,18 @@ class SoundFile:
         self.find_playlist(sound)
         return sound
 
-    def _on_delete(self, path):
+    def _on_delete(self, path, keep_deleted):
         # TODO: remove from db on delete
+        if keep_deleted:
             sound = Sound.objects.path(self.path).first()
             if sound:
+                if keep_deleted:
                     sound.type = sound.TYPE_REMOVED
                     sound.check_on_file()
                     sound.save()
             return sound
+        else:
+            Sound.objects.path(self.path).delete()
 
     def read_path(self, path):
         """
@@ -144,7 +149,12 @@ class SoundFile:
 
     def read_file_info(self):
         """ Read file information and metadata. """
-        return mutagen.File(self.path) if os.path.exists(self.path) else None
+        try:
+            if os.path.exists(self.path):
+                return mutagen.File(self.path)
+        except Exception:
+            pass
+        return None
 
     def find_episode(self, sound, path_info):
         """

aircox/management/sound_monitor.py

@@ -114,16 +114,16 @@ class MonitorHandler(PatternMatchingEventHandler):
     pool = None
     jobs = {}
 
-    def __init__(self, subdir, pool):
+    def __init__(self, subdir, pool, **sync_kw):
         """
-        subdir: AIRCOX_SOUND_ARCHIVES_SUBDIR or AIRCOX_SOUND_EXCERPTS_SUBDIR
+        :param str subdir: sub-directory in program dirs to monitor \
+            (AIRCOX_SOUND_ARCHIVES_SUBDIR or AIRCOX_SOUND_EXCERPTS_SUBDIR);
+        :param concurrent.futures.Executor pool: pool executing jobs on file change;
+        :param **sync_kw: kwargs passed to `SoundFile.sync`;
         """
         self.subdir = subdir
         self.pool = pool
-        if self.subdir == settings.AIRCOX_SOUND_ARCHIVES_SUBDIR:
-            self.sync_kw = {'type': Sound.TYPE_ARCHIVE}
-        else:
-            self.sync_kw = {'type': Sound.TYPE_EXCERPT}
+        self.sync_kw = sync_kw
 
         patterns = ['*/{}/*{}'.format(self.subdir, ext)
                     for ext in settings.AIRCOX_SOUND_FILE_EXT]
@@ -156,7 +156,6 @@ class MonitorHandler(PatternMatchingEventHandler):
         self.jobs[key] = handler
 
         def done(r):
-            print(':::: job done', key)
             if self.jobs.get(key) is handler:
                 del self.jobs[key]
         handler.future.add_done_callback(done)

aircox/settings.py

@@ -130,6 +130,13 @@ ensure(
     ('.ogg', '.flac', '.wav', '.mp3', '.opus')
 )
 
+# Tag sounds as deleted instead of deleting them when file has been removed
+# from filesystem (sound monitoring)
+ensure(
+    'AIRCOX_SOUND_KEEP_DELETED',
+    False
+)
+
 
 ########################################################################
 # Streamer & Controllers

aircox/tests/management/sound_monitor.py

@@ -62,7 +62,7 @@ class MonitorHandlerTestCase(TestCase):
     def test_submit_new_job(self):
         event = FakeEvent(src_path='dummy_src')
         handler = NotifyHandler()
-        result = self.monitor._submit(handler, event, 'up')
+        result, _ = self.monitor._submit(handler, event, 'up')
         self.assertIs(handler, result)
         self.assertIsInstance(handler.future, futures.Future)
         self.monitor.pool.shutdown()
@@ -70,7 +70,9 @@ class MonitorHandlerTestCase(TestCase):
     def test_submit_job_exists(self):
         event = FakeEvent(src_path='dummy_src')
 
-        job_1 = self.monitor._submit(WaitHandler(), event, 'up')
-        job_2 = self.monitor._submit(NotifyHandler(), event, 'up')
+        job_1, new_1 = self.monitor._submit(WaitHandler(), event, 'up')
+        job_2, new_2 = self.monitor._submit(NotifyHandler(), event, 'up')
         self.assertIs(job_1, job_2)
+        self.assertTrue(new_1)
+        self.assertFalse(new_2)
         self.monitor.pool.shutdown()